Apparatus for drawing-off heavy gases from above the sealing piston in waterless gasholders



Dec. 19, 1933. F ElNBEcK 1,940,535

APPARATUS FOR DRAWING-OFF HEAVY GASES FROM ABOVE THE SEALING PISTON IN WATERLESS GAS HOLDERS Filed May 23, 1952 Fig.1

a? W w I.

Patented. Dec. 19, 1933 ,1 FFHCE APPARATUS FOR DRAWING-OFF GASES FROM ABOVE THE SEALING PISTON IN WATERLESS GAS HQLDERS Friedrich Einbeck, Dortmund, Germany, as-

signor' to the firm Aug. Klliinne, Dortmund,

Germany Application May 23, 1932, Serial No. 613,076, and

in Germany February 5, 1932 ll Claim.

In waterless gasholders, which serve for the storing of all kinds of gases, it is usually only the seal between the holder wall and the piston which is the source of any leakages. So long as it is a question of the storing of gases, which are lighter than air, these leakages are unimportant, as the escaping gases, immediately rise up the holder wall and can escape into the air through the ventilating apparatus provided in the cover. It is another matter when dealing with gasholders, which serve for storing gases heavier than air, for example, furnace gases. In this case the gases escaping between the holder wall and the seal collect on the piston, fill-the deepest places and in time form a dangerous gas layer over the piston.

It is true a workman could travel over the holder with a gas mask, but this is laborious and also dangerous. The object of the invention is the provision of an apparatus, by means of which the heavy gases, which are above the piston, can be removed.

This invention relates to an apparatus for drawing off gases from above the piston in waterless gasholders through a system of suction pipes, which are in communication with the outer at- ;nosphere by means of a collection pipe and a This apparatus is characterized by the feature that the collection pipe is formed as a substantially horizontal ring arranged directly under the holder cover, and that the suction pipes, which terminate at the lowest parts of the piston, when the piston is in its highest position, lead downward therefrom.

With the aid of this apparatus the heavy gases collecting above the piston can be constantly removed, so that the piston can be walked upon without danger, when the piston is in its highest position.

In the drawing the subject of the invention is illustrated by way of example,

Fig. 1 is a vertical section through a holder and 39 shows the apparatus,

Fig. 2 is a plan view thereof after removal of the cover.

The piston b moves in the container a, and by means of the sealing ring separates the gas space d from the air space e. A number of suction pipes w are provided, which run vertically or nearly vertically and terminate at their upper ends in a horizontal or nearly horizontal ring 9:. The suction pipes consist of hoses. By means of 7 the connecting pipe ysthe conducting ring a: is in communication with the fan 11, which is driven from an electro-motor 0.

The distance of the tubes w from one another near the connecting pipe 1/ is greater than that at the diametrically opposite side, as there the suction effect of the individual tubes is weaker.

The apparatus shown in Figs. 1 and 2 can only be used when the piston has travelled so high, that the hoses 10 depending from the ring pipe as very nearly touch it.

I claim:

In an apparatus for drawing-01f heavy gases from above the sealing piston in waterless gasholders, a system of vertical suction pipes, a collecting pipe, said pipe having the form of a substantially horizontal ring fixed directly under the holder cover and connected to the upper ends of said suction pipes. and supporting said pipes, a pipe leading to the outer atmosphere, a fan in said pipe, said pipe being connected to said collecting pipe.

FRIEDRICH EINBECK. 

